gecko-dev/media/libcubeb/disable-device-switching.patch

88 строки
3.9 KiB
Diff

diff --git a/media/libcubeb/include/cubeb.h b/media/libcubeb/include/cubeb.h
--- a/media/libcubeb/include/cubeb.h
+++ b/media/libcubeb/include/cubeb.h
@@ -216,20 +216,23 @@ enum {
CHANNEL_FRONT_CENTER | CHANNEL_LOW_FREQUENCY |
CHANNEL_BACK_LEFT | CHANNEL_BACK_RIGHT |
CHANNEL_SIDE_LEFT | CHANNEL_SIDE_RIGHT,
};
/** Miscellaneous stream preferences. */
typedef enum {
CUBEB_STREAM_PREF_NONE = 0x00, /**< No stream preferences are requested. */
- CUBEB_STREAM_PREF_LOOPBACK = 0x01 /**< Request a loopback stream. Should be
- specified on the input params and an
- output device to loopback from should
- be passed in place of an input device. */
+ CUBEB_STREAM_PREF_LOOPBACK = 0x01, /**< Request a loopback stream. Should be
+ specified on the input params and an
+ output device to loopback from should
+ be passed in place of an input device. */
+ CUBEB_STREAM_PREF_DISABLE_DEVICE_SWITCHING = 0x02, /**< Disable switching
+ default device on OS
+ changes. */
} cubeb_stream_prefs;
/** Stream format initialization parameters. */
typedef struct {
cubeb_sample_format format; /**< Requested sample format. One of
#cubeb_sample_format. */
uint32_t rate; /**< Requested sample rate. Valid range is [1000, 192000]. */
uint32_t channels; /**< Requested channel count. Valid range is [1, 8]. */
diff --git a/media/libcubeb/src/cubeb_wasapi.cpp b/media/libcubeb/src/cubeb_wasapi.cpp
--- a/media/libcubeb/src/cubeb_wasapi.cpp
+++ b/media/libcubeb/src/cubeb_wasapi.cpp
@@ -1829,21 +1829,26 @@ wasapi_stream_init(cubeb * context, cube
assert that the lock is held in the function. */
auto_lock lock(stm->stream_reset_lock);
rv = setup_wasapi_stream(stm.get());
}
if (rv != CUBEB_OK) {
return rv;
}
- HRESULT hr = register_notification_client(stm.get());
- if (FAILED(hr)) {
- /* this is not fatal, we can still play audio, but we won't be able
- to keep using the default audio endpoint if it changes. */
- LOG("failed to register notification client, %lx", hr);
+ if (!((input_stream_params ?
+ (input_stream_params->prefs & CUBEB_STREAM_PREF_DISABLE_DEVICE_SWITCHING) : 0) ||
+ (output_stream_params ?
+ (output_stream_params->prefs & CUBEB_STREAM_PREF_DISABLE_DEVICE_SWITCHING) : 0))) {
+ HRESULT hr = register_notification_client(stm.get());
+ if (FAILED(hr)) {
+ /* this is not fatal, we can still play audio, but we won't be able
+ to keep using the default audio endpoint if it changes. */
+ LOG("failed to register notification client, %lx", hr);
+ }
}
*stream = stm.release();
LOG("Stream init succesfull (%p)", *stream);
return CUBEB_OK;
}
@@ -1879,17 +1884,19 @@ void wasapi_stream_destroy(cubeb_stream
// Only free stm->emergency_bailout if we could join the thread.
// If we could not join the thread, stm->emergency_bailout is true
// and is still alive until the thread wakes up and exits cleanly.
if (stop_and_join_render_thread(stm)) {
delete stm->emergency_bailout.load();
stm->emergency_bailout = nullptr;
}
- unregister_notification_client(stm);
+ if (stm->notification_client) {
+ unregister_notification_client(stm);
+ }
CloseHandle(stm->reconfigure_event);
CloseHandle(stm->refill_event);
CloseHandle(stm->input_available_event);
// The variables intialized in wasapi_stream_init,
// must be destroyed in wasapi_stream_destroy.
stm->linear_input_buffer.reset();